<img src="https://tex.z-dn.net/?f=%20%5Cmathrm%7B%5Clarge%7BLey%5C%20de%5C%20Hooke%7D%7D" />
<img src="https://tex.z-dn.net/?f=%5Cdisplaystyle%7BF%3Dxk%7D" />
dónde : <img src="https://tex.z-dn.net/?f=%20x%20" /> es el elargamiento del resorte y <img src="https://tex.z-dn.net/?f=%20k%20" /> es la constante.
<img src="https://tex.z-dn.net/?f=%5Cmathrm%7B%5Clarge%7BHallar%20%5C%20x%3A%7D%7D" />
<img src="https://tex.z-dn.net/?f=x%3D15cm-10cm%3D5cm%3D0%2C05m" />
<img src="https://tex.z-dn.net/?f=%20%5Cmathrm%7B%5Clarge%7Bdespejar%20%5C%20k%3A%7D%7D" />
<img src="https://tex.z-dn.net/?f=%20%5Cdisplaystyle%7Bk%3D%5Cfrac%7BF%7D%7Bx%7D%7D" />
<img src="https://tex.z-dn.net/?f=%5Cmathrm%7B%5Clarge%7BReemplazando%3A%7D%7D" />
<img src="https://tex.z-dn.net/?f=k%3D%5Cfrac%7B100N%7D%7B0%2C05m%7D%3D2000%5Cfrac%7BN%7D%7Bm%7D" />
[img = 10]
la constante del Resorte es [img = 11].